English

Non-amenable principal groupoids with weak containment

Operator Algebras 2018-04-25 v3 Group Theory

Abstract

We construct examples of principal groupoids that have weak containment but are not amenable, thus answering questions by Claire Anantharaman-Delaroche and Rufus Willett.

Keywords

Cite

@article{arxiv.1606.07499,
  title  = {Non-amenable principal groupoids with weak containment},
  author = {Vadim Alekseev and Martin Finn-Sell},
  journal= {arXiv preprint arXiv:1606.07499},
  year   = {2018}
}

Comments

6 pages

R2 v1 2026-06-22T14:33:06.838Z